Home / 14,678.12-21,979.58-8,097

Finding the Fourth Proportional to 14,678.12, 21,979.58 and 8,097

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Solution

The fourth proportional to 14,678.12, 21,979.58 and 8,097 is: 12,124.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,678.12 : 21,979.58 = 8,097 : x
  2. Step 2: Convert to fraction form
    14,678.12/21,979.58 = 8,097/x
  3. Step 3: Cross multiply
    14,678.12x = 21,979.58 × 8,097
  4. Step 4: Simplify right side
    14,678.12x = 177,968,618.78
  5. Step 5: Solve for x
    x = 177,968,618.78/14,678.12
  6. Step 6: Final answer
    x = 12,124.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.